Different investor weights. Two risky portfolios exist for$$ investing: one is a bond portfolio with a beta of $0\mathrm{.}7$ and an expected return of $8\mathrm{.}4\%,$ and the other is an equity portfolio with a beta of $1\mathrm{.}4$ and an expected return of $16\mathrm{.}2\%.$ If these portfolios are the only two available assets for$$ investing, what combination of these two assets will give the following investors their desired level of expected$$ return? What is the beta of each$$ investor's combined bond and equity$$ portfolio?

a$.$Bart: desired expected return $15\%$

b$.$Lisa: desired expected return $13\%$

c$.$Maggie: desired expected return $11\%$

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Part $1$

a$.$The combination of these two assets that will give Bart an expected return of $15\%$ is

$$

enter your response here$\%$ in bonds and

$$

enter your response here$\%$ in stocks.$($Round both answers to two decimal$$ places.$)$